{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Only+Gel",
    "query": {
      "intervention": "Placebo Only Gel"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 90,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Only+Gel&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T20:24:29.683Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04558112",
      "title": "Improving Therapeutic Learning for PTSD",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "PTSD",
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "L-DOPA",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 50 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2021-02-18",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-08-30",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 2,
      "location_summary": "Austin, Texas • Madison, Wisconsin",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04558112"
    },
    {
      "nct_id": "NCT02594254",
      "title": "Phase 2 Study to Evaluate the Microbiology and Safety of C16G2 Administered to Adult and Adolescent Dental Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dental Caries"
      ],
      "interventions": [
        {
          "name": "C16G2 Gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Armata Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "12 Years to 75 Years"
      },
      "enrollment_count": 135,
      "start_date": "2015-11",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2019-08-01",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 10,
      "location_summary": "Imperial Beach, California • Indianapolis, Indiana • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Imperial Beach",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Kalispell",
          "state": "Montana"
        },
        {
          "city": "Kalispell",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02594254"
    },
    {
      "nct_id": "NCT00984971",
      "title": "Rectal Microbicide Safety and Acceptability Trial of Topically Applied Tenofovir Compared With Oral Tablet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Prevention",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Tenofovir",
          "type": "DRUG"
        },
        {
          "name": "HEC Placebo",
          "type": "DRUG"
        },
        {
          "name": "Open label tenofovir tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CONRAD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2009-09",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2015-08-28",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984971"
    },
    {
      "nct_id": "NCT01577706",
      "title": "Spectroscopic Imaging at 4T: A Drug Challenge Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "AOD Effects and Consequences"
      ],
      "interventions": [
        {
          "name": "Alprazolam",
          "type": "DRUG"
        },
        {
          "name": "Dextroamphetamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "21 Years to 45 Years · Male only"
      },
      "enrollment_count": 7,
      "start_date": "2013-06",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01577706"
    },
    {
      "nct_id": "NCT01959464",
      "title": "Sexual Absorption of Vaginal Progesterone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infertility",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Crinone vaginal progesterone gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo vaginal gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2008-11",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2022-04-22",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01959464"
    },
    {
      "nct_id": "NCT03537534",
      "title": "Intraurethral Lidocaine After Endourology Procedures",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dysuria"
      ],
      "interventions": [
        {
          "name": "Lidocaine Jet Injector",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "San Antonio Uniformed Services Health Education Consortium",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 35,
      "start_date": "2018-04-15",
      "completion_date": "2022-09-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-26",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 1,
      "location_summary": "Fort Sam Houston, Texas",
      "locations": [
        {
          "city": "Fort Sam Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03537534"
    },
    {
      "nct_id": "NCT01376349",
      "title": "Prasterone (Dehydroepiandrosterone) in Treating Postmenopausal Cancer Survivors With Vaginal Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer",
        "Gynecologic Cancer"
      ],
      "interventions": [
        {
          "name": "prasterone",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 464,
      "start_date": "2011-07",
      "completion_date": "2017-11",
      "has_results": true,
      "last_update_posted_date": "2019-02-07",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 280,
      "location_summary": "Scottsdale, Arizona • Aurora, Colorado • Boulder, Colorado + 185 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01376349"
    },
    {
      "nct_id": "NCT02192203",
      "title": "A Safety Study to Investigate the Skin Sensitization Potential of MFC51123",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Diclofenac + Menthol Gel",
          "type": "DRUG"
        },
        {
          "name": "Diclofenac Only Gel",
          "type": "DRUG"
        },
        {
          "name": "Menthol Only Gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo Only Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 227,
      "start_date": "2014-04-01",
      "completion_date": "2014-07-15",
      "has_results": false,
      "last_update_posted_date": "2017-06-28",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 1,
      "location_summary": "Paramus, New Jersey",
      "locations": [
        {
          "city": "Paramus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02192203"
    },
    {
      "nct_id": "NCT03239483",
      "title": "Safety and Pharmacokinetic Study of Dapivirine Gel (0.05%) Administered Rectally to HIV-1 Seronegative Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Dapivirine gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 28,
      "start_date": "2017-10-26",
      "completion_date": "2018-09-20",
      "has_results": true,
      "last_update_posted_date": "2021-10-19",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03239483"
    },
    {
      "nct_id": "NCT04549116",
      "title": "Subcutaneous Progesterone in Frozen- Thawed Single Euploid Blastocyst Transfer.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Progesterone-IBSA Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Progesterone Vaginal Gel with Applicator",
          "type": "DRUG"
        },
        {
          "name": "Placebo Vaginal gel with applicator",
          "type": "DRUG"
        },
        {
          "name": "Placebo injectable solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "IBSA Institut Biochimique SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 42 Years · Female only"
      },
      "enrollment_count": 688,
      "start_date": "2022-10-12",
      "completion_date": "2026-08-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-09T20:24:29.683Z",
      "location_count": 24,
      "location_summary": "Tempe, Arizona • Encino, California • Los Angeles, California + 20 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04549116"
    }
  ]
}